Can't filter over mixed case parquet columns of converted Hive tables

  private def setupPartitionedTable(tableName: String, dir: File): Unit = {
    spark.range(5).selectExpr("id as normalCol", "id as partCol1", "id as partCol2").write
      .partitionBy("partCol1", "partCol2")
      .mode("overwrite")
      .parquet(dir.getAbsolutePath)

    spark.sql(s"""
      |create external table $tableName (normalCol long)
      |partitioned by (partCol1 int, partCol2 int)
      |stored as parquet
      |location "${dir.getAbsolutePath}"""".stripMargin)
    spark.sql(s"msck repair table $tableName")
  }

  test("filter by mixed case col") {
    withTable("test") {
      withTempDir { dir =>
        setupPartitionedTable("test", dir)
        val df = spark.sql("select * from test where normalCol = 3")
        assert(df.count() == 1)
      }
    }
  }